2025 Kon Knueppel Rookie, Topps 8B-34 “8 Bit Ballers” Gem Mint ungraded. Kon Knueppel rookie card sure to be a Hall of Famer. This guy is off to a great start with a great up-and-coming team Charlotte Hornets. This is a great card to have collectible rookie card a good investment for card collectors, and to start collecting cards. This is a good start to have. Add grading to your cart, have this card graded for maximum value